Update maven test: shutdown maven process

idea/tests/org/jetbrains/kotlin/idea/maven/MavenTestCase.java

@@ -41,6 +41,7 @@ import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.idea.maven.indices.MavenIndicesManager;
 import org.jetbrains.idea.maven.project.*;
+import org.jetbrains.idea.maven.server.MavenServerManager;
 import org.jetbrains.idea.maven.utils.MavenProgressIndicator;
 
 import java.awt.*;
@@ -50,6 +51,7 @@ import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
 import java.util.*;
 import java.util.List;
+import java.util.concurrent.TimeUnit;
 
 public abstract class MavenTestCase extends UsefulTestCase {
     protected static final MavenConsole NULL_MAVEN_CONSOLE = new NullMavenConsole();
@@ -142,6 +144,8 @@ public abstract class MavenTestCase extends UsefulTestCase {
     @Override
     protected void tearDown() throws Exception {
         try {
+            MavenServerManager.getInstance().shutdown(true);
+            MavenArtifactDownloader.awaitQuiescence(100, TimeUnit.SECONDS);
             myProject = null;
             UIUtil.invokeAndWaitIfNeeded(new Runnable() {
                 @Override
@@ -324,7 +328,7 @@ public abstract class MavenTestCase extends UsefulTestCase {
         String mirror = System.getProperty("idea.maven.test.mirror",
                                            // use JB maven proxy server for internal use by default, see details at
                                            // https://confluence.jetbrains.com/display/JBINT/Maven+proxy+server
-                                           "http://maven.labs.intellij.net/repo");
+                                           "http://maven.labs.intellij.net/repo1");
         return "<settings>" +
                content +
                "<mirrors>" +